/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.piston.launcher;

import com.piston.app.R;
import com.piston.app.R.string;
import com.piston.app.R.styleable;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;

public class HandleView extends ImageView {
	private static final int ORIENTATION_HORIZONTAL = 1;

	private LauncherNew mLauncher;
	private int mOrientation = ORIENTATION_HORIZONTAL;

	public HandleView(Context context) {
		super(context);
	}

	public HandleView(Context context, AttributeSet attrs) {
		this(context, attrs, 0);
	}

	public HandleView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);

		TypedArray a = context.obtainStyledAttributes(attrs,
				R.styleable.HandleView, defStyle, 0);
		mOrientation = a.getInt(R.styleable.HandleView_direction,
				ORIENTATION_HORIZONTAL);
		a.recycle();

		setContentDescription(context.getString(R.string.all_apps_button_label));
	}

	@Override
	public View focusSearch(int direction) {
		View newFocus = super.focusSearch(direction);
		if (newFocus == null && !mLauncher.isAllAppsVisible()) {
			final Workspace workspace = mLauncher.getWorkspace();
			workspace.dispatchUnhandledMove(null, direction);
			return (mOrientation == ORIENTATION_HORIZONTAL && direction == FOCUS_DOWN) ? this
					: workspace;
		}
		return newFocus;
	}

	@Override
	public boolean onTouchEvent(MotionEvent ev) {
		if (ev.getAction() == MotionEvent.ACTION_DOWN
				&& mLauncher.isAllAppsVisible()) {
			return false;
		}
		return super.onTouchEvent(ev);
	}

	private static boolean isDirectionKey(int keyCode) {
		return keyCode == KeyEvent.KEYCODE_DPAD_DOWN
				|| keyCode == KeyEvent.KEYCODE_DPAD_LEFT
				|| keyCode == KeyEvent.KEYCODE_DPAD_RIGHT
				|| keyCode == KeyEvent.KEYCODE_DPAD_UP;
	}

	void setLauncher(LauncherNew launcher) {
		mLauncher = launcher;
	}
}
